On this supposition he was desired to explain how the effect was produced.
He answered, that the power of mimickry was very common.

Catharine's voice might easily be imitated by one at the foot of the hill, who would find no difficulty in eluding, by flight, the search of Wieland.

The tidings of the death of the Saxon lady were uttered by one near at hand, who overheard the conversation, who conjectured her death, and whose conjecture happened to accord with the truth.

That the voice appeared to come from the cieling was to be considered as an illusion of the fancy.
The cry for help, heard in the hall on the night of my adventure, was to be ascribed to an human creature, who actually stood in the hall when he uttered it.

It was of no moment, he said, that we could not explain by what motives he that made the signal was led hither.